676543456 has 24 divisors (see below), whose sum is σ = 1335446784. Its totient is φ = 337382400.

The previous prime is 676543447. The next prime is 676543457. The reversal of 676543456 is 654345676.

676543456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×676543456² = 915422095712847872, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676543457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15345 + ... + 39856.

It is an arithmetic number, because the mean of its divisors is an integer number (55643616).

Almost surely, 2^676543456 is an apocalyptic number.

It is an amenable number.

676543456 is a deficient number, since it is larger than the sum of its proper divisors (658903328).

676543456 is a wasteful number, since it uses less digits than its factorization.

676543456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55594 (or 55586 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 46.

The square root of 676543456 is about 26010.4489772860. The cubic root of 676543456 is about 877.8734188274.

The spelling of 676543456 in words is "six hundred seventy-six million, five hundred forty-three thousand, four hundred fifty-six".